WNCA
| Acronym | Definition |
|---|---|
| WNCA | Western North Carolina Alliance (environmental action group) |
| WNCA | Waratah National Cat Alliance (Australia) |
| WNCA | World New Chess Association |
| WNCA | Wissahickon Neighbors Civic Association (Philadelphia, PA) |
| WNCA | Woodcrest Neighborhood Civic Association (Texas) |